Course No.: ECE- 317 T
Instructor
Shahid M Shah, email id: FIRST NAME AT ece.iisc.ernet.in, FIRST NAME DOT nit AT gmail.com
Credits 4
Location: AB-I, 103 and 101
IUST
Lecture Hours
As per timetable for both sections
Syllabus:
Unit-I
Evolution, introduction and benefits of communication technology, Review of signal spectra, Modulation & Need
for modulation. Amplitude modulation (AM): definition, AM modulation index, spectrum of AM signal, power
analysis of AM signal, Standard AM generation, detection using envelop detector. DSB/SC-AM, Generation &
detection of SSB-SC modulation.
Unit-II
Frequency modulation (FM): Basic definition, Frequency modulation index, Carson bandwidth of FM signal,
Narrow band and broad band FM signal. Generation and detection of FM, pre-emphasis, de-emphasis, FM
threshold effect, Comparison of bandwidth between FM and AM.
Unit-III
Elements of digital communication systems, advantages of digital communication systems, Sampling,
Quantization and Coding, Quantization error (proof not required), Sampling theorem (proof), Pulse code
Modulation (PCM), PCM Transmitter and receiver, Bandwidth, Differential PCM systems(DPCM)
Unit-IV
Digital Modulation techniques, generation and detection of ASK, FSK, PSK, QPSK, QAM. Pulse
modulation Techniques-Pulse Amplitude modulation (PAM), Pulse Position Modulation (PPM) Pulse Width
Modulation (PWM), Shannon’s law, Spread Spectrum Modulation Techniques and PN-sequences.
Unit-V
Frequency division multiplexing (FDM), Tuned radio frequency receiver, Heterodyne receiver, image frequency,
Receiver characteristics, Sources of noise, signal to noise ratio, SNR of base band communication system, SSB,
DSB/SC, Standard-AM, SNR of FM, Noise figure, Relative performance.
Home works
(Will be uploaded here)
Textbook
"Modern Digital and Analog Communication", by B. P. Lathi, Oxford publishers. Click here to download first part
Lecture Schedule
Lecture 1: Motivation for this cource w.r.t. Computer Science, Need of modulation
Lecture 2: Types of analog modulation, Introduction to signals and systems, Impulse function
Lecture 3: Unit step function, Introduction to Fourier series
Lecture 4: Fourier transform, concept of Bandwidth
Lecture 5: Amplitude modulation
Lecture 6: AM
Lecture 7: AM
Instructor
Shahid M Shah, email id: FIRST NAME AT ece.iisc.ernet.in, FIRST NAME DOT nit AT gmail.com
Credits 4
Location: AB-I, 103 and 101
IUST
Lecture Hours
As per timetable for both sections
Syllabus:
Unit-I
Evolution, introduction and benefits of communication technology, Review of signal spectra, Modulation & Need
for modulation. Amplitude modulation (AM): definition, AM modulation index, spectrum of AM signal, power
analysis of AM signal, Standard AM generation, detection using envelop detector. DSB/SC-AM, Generation &
detection of SSB-SC modulation.
Unit-II
Frequency modulation (FM): Basic definition, Frequency modulation index, Carson bandwidth of FM signal,
Narrow band and broad band FM signal. Generation and detection of FM, pre-emphasis, de-emphasis, FM
threshold effect, Comparison of bandwidth between FM and AM.
Unit-III
Elements of digital communication systems, advantages of digital communication systems, Sampling,
Quantization and Coding, Quantization error (proof not required), Sampling theorem (proof), Pulse code
Modulation (PCM), PCM Transmitter and receiver, Bandwidth, Differential PCM systems(DPCM)
Unit-IV
Digital Modulation techniques, generation and detection of ASK, FSK, PSK, QPSK, QAM. Pulse
modulation Techniques-Pulse Amplitude modulation (PAM), Pulse Position Modulation (PPM) Pulse Width
Modulation (PWM), Shannon’s law, Spread Spectrum Modulation Techniques and PN-sequences.
Unit-V
Frequency division multiplexing (FDM), Tuned radio frequency receiver, Heterodyne receiver, image frequency,
Receiver characteristics, Sources of noise, signal to noise ratio, SNR of base band communication system, SSB,
DSB/SC, Standard-AM, SNR of FM, Noise figure, Relative performance.
Home works
(Will be uploaded here)
Textbook
"Modern Digital and Analog Communication", by B. P. Lathi, Oxford publishers. Click here to download first part
Lecture Schedule
Lecture 1: Motivation for this cource w.r.t. Computer Science, Need of modulation
Lecture 2: Types of analog modulation, Introduction to signals and systems, Impulse function
Lecture 3: Unit step function, Introduction to Fourier series
Lecture 4: Fourier transform, concept of Bandwidth
Lecture 5: Amplitude modulation
Lecture 6: AM
Lecture 7: AM